OBD-II code · Powertrain (generic, extended)
P25DA Fuel Level Sensor C Circuit High
The third fuel level sensor signal is above the upper diagnostic threshold. Common causes are an open sender or a short to the 5 V reference.
Is it safe to drive with P25DA?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen sender resistor
- PossibleSignal wire shorted to the 5 V reference
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.8–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Level Sensor C, Wiring Harness
Related codes
- P0463Fuel Level Sensor A Circuit High
- P2068Fuel Level Sensor B Circuit High
- P25D7Fuel Level Sensor C Circuit
- P25D8Fuel Level Sensor C Performance
- P25D9Fuel Level Sensor C Circuit Low
- P25DBFuel Level Sensor C Circuit Intermittent
- P25DCFuel Level Sensor C Stuck
- P25DDA Camshaft Position - Stuck In Locked Position Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.